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  • Open Access

    PEDIATRIC UROLOGY

    2-octyl cyanoacrylate hypospadias repair dressing: a retrospective, controlled comparison

    W. Jordan Brockway1, Andrew J. Bradsher1, Jessica E. Hook1, Ashay S. Patel1,2, Ismael Zamilpa1,2, Stephen J. Canon1,2

    Canadian Journal of Urology, Vol.26, No.1, pp. 9675-9679, 2019

    Abstract Introduction: 2-octylcyanoacrylate (OC) has been shown to be a viable option for usage following standard circumcision, but data on its utilization following hypospadias repair is limited. Both OC and a standard waterproof transparent dressing (WD) are used following hypospadias repair at our children’s hospital. Our hypothesis is that patients with distal hypospadias repair using OC for surgical dressing have similar outcomes as compared to patients with WD.
    Materials and methods: A retrospective study was performed evaluating all patients with distal hypospadias repair during a 2-year period. OC was primarily used by one of the three physicians in… More >

  • Open Access

    ARTICLE

    A randomized, controlled trial for transurethral treatment of bladder tumors using PlasmaButton vaporization electrode or monopolar loop electrocautery

    Mehrdad Alemozaffar1, Kenneth Ogan1, Christopher P. Filson1, Dattatraya Patil1, Grace Lee2, Daniel J. Canter3, Gordon Hong4, Viraj A. Master1

    Canadian Journal of Urology, Vol.26, No.5, pp. 9908-9915, 2019

    Abstract Introduction: The use of an electrocautery device (monopolar loop) for patients undergoing transurethral resection of bladder tumors (TURBT) is standard of care. The aim of this study is to establish non-inferiority of complication rates for a bipolar energy device, the PK PlasmaButton (PK Button), when compared to the monopolar loop.
    Materials and methods: Seventy-eight subjects (41 monopolar loop and 37 PK Button), were enrolled in a single-center, prospective, randomized study with cystoscopically detected bladder tumors that were judged endoscopically resectable with only one trip into the operating room. Intra and postoperative data on complication rates, operative time,… More >

  • Open Access

    ARTICLE

    Influence of Poly (vinyl butyral) Modification on the Mechanical and Thermal Properties of Kevlar Fiber Reinforced Novolac epoxy/multiwalled carbon nanotube nanocomposites

    KAVITA*, R.K. TIWARI

    Journal of Polymer Materials, Vol.36, No.2, pp. 195-205, 2019, DOI:10.32381/JPM.2019.36.02.7

    Abstract The effect of poly (vinyl butyral) and acid functionalized multiwalled carbon nanotubes (f-MWCNT) on the thermal and mechanical performance of Kevlar fiber reinforced novolac epoxy nanocomposites was investigated and presented in this paper. Nanocomposite containing 1.5 wt. % poly (vinyl butyral) and 0.5 wt. % f-MWCNT exhibited best thermal and mechanical properties (except flexural strength) among all the nanocomposites reported here. It showed ~5%, 27% and 126 % improvement in tensile strength, young’s modulus and impact strength respectively as compared to the neat novolac epoxy Kevlar composite.Nanocomposite containing 0.5 wt. % f- MWCNT and 2 More >

  • Open Access

    ARTICLE

    WALL HEAT FLUX PARTITIONING ANALYSIS FOR SUBCOOLED FLOW BOILING OF WATER-ETHANOL MIXTURE IN CONVENTIONAL CHANNEL

    B.G. Suhasa,* , A. Sathyabhamab, Kavadiki Veerabhadrappaa , R. Suresh Kumara, U. Kiran Kumara

    Frontiers in Heat and Mass Transfer, Vol.13, pp. 1-8, 2019, DOI:10.5098/hmt.13.16

    Abstract In the present study, heat transfer coefficient of water-ethanol mixture in the subcooled boiling region is determined in a rectangular conventional channel (Channel size ≥3 mm). When the heat flux and mass flux increase it is observed that heat transfer coefficient increases. But the effect of heat flux is significant when compared with that of mass flux in the subcooled boiling region. It is found that maximum and minimum heat transfer coefficient are observed for mixture with 25% Ethanol volume fraction and 75% Ethanol volume fraction respectively. Wall heat flux partitioning analyses is carried out More >

  • Open Access

    ARTICLE

    EFFECT OF ABSORBER TYPES OF CONVENTIONAL DISTILLERS ON THE AMOUNT OF DISTILLED WATER PRODUCTION

    M. Mirmanto*, M. Wirawan, I.M.A. Sayoga, S. Syahrul, M. Faisal, A. Abdullah

    Frontiers in Heat and Mass Transfer, Vol.13, pp. 1-7, 2019, DOI:10.5098/hmt.13.10

    Abstract Due to clean water crisis in the dry season in some places in Indonesia, experiments to find the best distiller to provide distilled water were performed. The long-term goal of this study is to create a distiller that is cheap, simple, easy to make, durable, low maintenance, but produces plenty of distilled water. Three identical conventional distillers with different absorbers had been tested for about 6 days in May 2019. These three distillers were used to evaporate and condense seawater to be distilled water. The absorbers types employed were type A, B, and C. The More >

  • Open Access

    ARTICLE

    Anticancer Effects of Gleditsia sinensis Extract in Rats Transplanted With Hepatocellular Carcinoma Cells

    Yue Cai*†‡, Chizhi Zhang*†‡, Lei Zhan*†, Liangbin Cheng*†, Dingbo Lu*†, Xiaodong Wang*†, Hanlin Xu§, Shuxue Wang, Deng Wu*†, Lianguo Ruan#

    Oncology Research, Vol.27, No.8, pp. 889-899, 2019, DOI:10.3727/096504018X15482423944678

    Abstract The thorns of Gleditsia sinensis have been historically used in Chinese medicine and are considered one of the fundamental therapeutic herbs. Its anticancer effects are currently being explored. Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer and still requires the development of new drugs with higher efficiency. By using a rat HCC model implanted with cancerous Walker-256 cells, the therapeutic effects of G. sinensis extract (GSE) were assessed, as well as its regulatory effects on miRNAs. GSE significantly restored liver morphology and dramatically induced cell apoptosis in HCC rats. In addition, miR-21/181b/183 was More >

  • Open Access

    ARTICLE

    G-Protein-Coupled Estrogen Receptor Antagonist G15 Decreases Estrogen-Induced Development of Non-Small Cell Lung Cancer

    Changyu Liu*, Yongde Liao*, Sheng Fan*, Xiangning Fu*, Jing Xiong, Sheng Zhou, Man Zou, Jianmiao Wang§

    Oncology Research, Vol.27, No.3, pp. 283-292, 2019, DOI:10.3727/096504017X15035795904677

    Abstract G-protein-coupled estrogen receptor (GPER) was found to promote non-small cell lung cancer (NSCLC) by estrogen, indicating the potential necessity of inhibiting GPER by a selective antagonist. This study was performed to elucidate the function of GPER-selective inhibitor G15 in NSCLC development. Cytoplasmic GPER (cGPER) and nuclear GPER (nGPER) were detected by immunohistochemical analysis in NSCLC samples. The relation of GPER and estrogen receptor (ER ) expression and correlation between GPER, ER , and clinical factors were analyzed. The effects of activating GPER and function of G15 were analyzed in the proliferation of A549 and H1793… More >

  • Open Access

    ARTICLE

    Using Spatial Relations for Qualitative Specification of Gestures

    Giuseppe Della Penna1,∗, Sergio Orefice2,†

    Computer Systems Science and Engineering, Vol.34, No.6, pp. 325-338, 2019, DOI:10.32604/csse.2019.34.325

    Abstract In this paper we present a qualitative spatial relation formalism capable to represent spatio-temporal knowledge. To this aim, we have added the notion of time within the formalisation of spatial relations in order to describe moving graphical objects. As a case study, we exploited this augmented formalism to support a qualitative specification of gestures, which are an increasingly relevant issue in the human-computer interaction field. The resulting technique provides gesture specification with a systematic and formal foundation. More >

  • Open Access

    ARTICLE

    Optimization of the Dynamic Measure of Spillover Effect Based on Knowledge Graph

    Rui Hua1,2, Yongwen Bao3, Shengan Chen2, Ziyin Zhuang1,*

    Computer Systems Science and Engineering, Vol.34, No.4, pp. 215-223, 2019, DOI:10.32604/csse.2019.34.215

    Abstract This paper improves the dynamic Feder model based on the characteristics of knowledge production and separates the direct effect and spillover effect of R&D in order to determine the relationship between spillover effect of R&D and economic growth, and accurately measure it by examining Chinese provincial panel data from 2008–2016. The theoretical analysis shows that the spillover effect of R&D promotes economic growth. Empirical analysis using a combination of OLS, sysGMM, 2SLS and GLS shows that basic research and application research have significant spillover effects; the marginal revenue of the basic research is lower than More >

  • Open Access

    ARTICLE

    Construction of an International Digital Sharing Platform of Dongba Manuscripts and Dongba Hieroglyphs

    Xu Xiaoli1,∗, Li Dong1, Jiang Zhanglei1, Li Ning1, Wu Guoxin1, Wang Hongjun1, Zhang Xu2, Bai Feng2

    Computer Systems Science and Engineering, Vol.34, No.4, pp. 191-199, 2019, DOI:10.32604/csse.2019.34.191

    Abstract With the aim of protecting, bequeathing, and sharing globally the Dongba manuscripts of the Chinese Naxi minority, the memory and heritage of which is under threat, this paper proposes ideas and plans for building a digital sharing platform to fulfil this aim using computer technology, information processing, online dissemination, multimedia display and other technologies to build an international digital platform for the sharing of Dongba manuscripts. This platform provides digital resources comprising Dongba manuscripts and related literature, tools for deciphering Dongba manuscripts, an environment for undertaking and sharing research, and dynamic information on the research… More >

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